Rails3 - 使用 Rails.cache.fetch 在开发模式下进行缓存
在开发中，以下（简化的）语句始终记录缓存未命中，在生产中它按预期工作：
@categories = Rails.cache.fetch("categories", :expires_in => 5.minutes) do
Rails.logger.info "+++ Cache missed +++"
Category.all
end
如果我在 config/development.rb 中将 config.cache_classes 从 false 更改为 true，它在开发模式下也能正常工作，但是，这使得开发相当痛苦。是否有任何类似于 config.cache_classes = false 的配置设置，除了 Rails.cache.fetch 如果可能从缓存中获取？
In development, the following (simplified) statement always logs a cache miss, in production it works as expected:
@categories = Rails.cache.fetch("categories", :expires_in => 5.minutes) do
Rails.logger.info "+++ Cache missed +++"
Category.all
end
If I change config.cache_classes from false to true in config/development.rb, it works as well in development mode, however, this makes development rather painful. Is there any configuration setting that is like config.cache_classes = false except that Rails.cache.fetch is fetching from cache if possible?
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尝试将以下内容放入 /config/environments/development.rb 中：
此外，如果您的缓存存储配置位于 /config/environments/development.rb 中，那么您将需要将相应的行复制到 development.rb 中。例如，如果您的缓存存储是 Dalli memcache gem：
希望有帮助。
Try placing the following in /config/environments/development.rb:
Additionally, if your cache store configuration is in /config/environments/production.rb, then you will need to copy the appropriate line into development.rb as well. For example, if your cache store is the Dalli memcache gem:
Hope that helps.